For me, the polymorph option is available on the only toon I had at the time of the first year anniversary. All other toons, created after that anniversary, do not have that dialogue option. I've reported this to Cryptic on several occasions because I think it's unfair that my newly created toons won't reflect the fact that I, as a customer, was there. I've suggested that all celebration accolades should be account wide but as usual there has been absolutely no response nor interest from Cryptic.